the402 endpoint detail

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api.magentlab.com calc imwg_response

https://api.magentlab.com/api/calc/imwg_response

answers 402

Kumar 2016 IMWG measurable serum+urine M-protein response. First-match PD, sCR, CR, VGPR, PR, MR, or SD from caller-assigned flags. sCR is CR plus normal FLC ratio and no clonal BM cells by IHC. CR is negative serum and urine IFE, no plasmacytomas, and BMPC <5%. VGPR is electrophoresis-negative or ≥90% serum M-protein reduction with urine M-protein <100 mg/24 h. Not a diagnosis. Not MRD. Not FLC-o

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0x836Be278f1739fB4308091cD1852F7971Bc19Ee2
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
84 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:51.648Z (2h ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fimwg_response"